Overview
The 1N4148W is a fast switching diode designed for general-purpose switching applications. It is known for its fast switching speed, low forward voltage, and low capacitance, making it suitable for a wide range of electronic circuits. This diode is available in a surface mount package (SOD-123) and is ideal for automated insertion.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Peak Repetitive Reverse Voltage (VRRM) | 75 | V |
| Working Peak Reverse Voltage (VRWM) | 75 | V |
| Forward Continuous Current (IF) | 300 | mA |
| Average Rectified Output Current (IO) | 150 | mA |
| Non-Repetitive Peak Forward Surge Current (IFSM) | 2.0 | A |
| Power Dissipation (PD) | 400 | mW |
| Typical Thermal Resistance, Junction to Ambient (RθJA) | 315 | °C/W |
| Junction Temperature Range (TJ) | -55 to +125 | °C |
| Storage Temperature Range (TSTG) | -55 to +150 | °C |
| Forward Voltage (VF) | 0.715 to 1.25 | V |
| Reverse Recovery Time (trr) | 4 ns | |
| Capacitance (CT) | 2 pF |
Key Features
- Fast switching speed
- Low forward voltage: maximum of 0.715 V at 1 mA
- Fast reverse recovery: maximum of 4 ns
- Low capacitance: maximum of 2 pF
- Surface mount package (SOD-123) ideally suited for automated insertion
- Totally lead-free and fully RoHS compliant
- Halogen and antimony free, “Green” device
- AEC-Q101 qualified for high reliability in automotive applications
Applications
The 1N4148W diode is suitable for a variety of applications, including general-purpose switching, consumer electronics, automotive systems, and telecommunications. Its fast switching speed and low capacitance make it particularly useful in high-speed rectifying applications and reverse polarity protection.
Q & A
- What is the peak repetitive reverse voltage of the 1N4148W diode?
The peak repetitive reverse voltage (VRRM) is 75 V. - What is the maximum forward continuous current of the 1N4148W diode?
The maximum forward continuous current (IF) is 300 mA. - What is the typical thermal resistance of the 1N4148W diode?
The typical thermal resistance, junction to ambient (RθJA), is 315 °C/W. - Is the 1N4148W diode RoHS compliant?
Yes, the 1N4148W diode is totally lead-free and fully RoHS compliant. - What is the reverse recovery time of the 1N4148W diode?
The reverse recovery time (trr) is a maximum of 4 ns. - What is the package type of the 1N4148W diode?
The package type is SOD-123, a surface mount package. - Is the 1N4148W diode suitable for automotive applications?
Yes, the 1N4148W diode is AEC-Q101 qualified, making it suitable for automotive applications. - What is the storage temperature range of the 1N4148W diode?
The storage temperature range (TSTG) is -55 to +150 °C. - What is the maximum power dissipation of the 1N4148W diode?
The maximum power dissipation (PD) is 400 mW. - Is the 1N4148W diode halogen-free?
Yes, the 1N4148W diode is halogen and antimony free, making it a “Green” device.
